The utility model discloses a multifunctional transformer substation sound and light bird dispeller, and relates to the bird dispeller technology field. The multifunctional transformer substation sound and light bird dispeller is characterized in that a motor is arranged at the bottom of the middle of the inner side of a bottom seat housing, a rotation shaft is vertically connected with the motor, a support sleeve sleeves the middle of the rotation shaft, a bearing is arranged between the support sleeve and the rotation shaft, two sides of the support sleeve are respectively fixed on two support pillars, a cross rod is horizontally arranged at the upper end of the rotation shaft, the middle of the cross rod is fixedly connected with the rotation shaft, a transparent ball and a loudspeaker outer cover are respectively arranged at two ends of the cross rod, a laser transmitter is arranged in the transparent ball, a loudspeaker is arranged in the loudspeaker outer cover, the laser transmitter is connected with a laser generator in the bottom seat housing through an optical cable, the loudspeaker is connected with a power source in the bottom seat housing through a guide wire, and the laser generator is connected with the power source. The multifunctional transformer substation sound and light bird dispeller is novel in structure, good in dispelling effect by using a sound and light synchronization control mode, green and environmentally friendly, and strong in practicability, and can be charged by using solar energy.